DKV International Heat Pump Symposium

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3 questions to … Refrigeration, air conditioning and heat pumps at the DKV Congress 2007 Hans-Joachim Socher on “chillers” Hans-Joachim Socher is General Manager of Axair GmbH in Garching and a member of the Chillventa Exhibition Committee. Chillventa: What are the most important technical, political and market-orientated variables influencing the compact chiller segment at present Hans-Joachim Socher: The new Energy Conservation Regulation (EnEV) and the energy pass mean that increasing attention will be given to energy efficiency. The trend is therefore clearly towards refrigerants R410A and R134a and equipment with multiscroll compressors, as these are very energy-efficient in partial load ranges, especially in combination with R410A. Chillventa: What activities and solutions do the manufacturers of chillers offer in response to these requirements and challenges Hans-Joachim Socher: We are systematically expanding our range of free cooling systems (using outside air), as these are very energy-efficient. We are also in the process of changing the complete range to refrigerants R410A and R134a. Chillventa: What role will be played by the new Chillventa exhibition in October 2008 Hans-Joachim Socher: Chillventa is the ideal exhibition for our product spectrum. The dialogue with specialist companies, associations and planners is an essential instrument for the industry. The trends mentioned above will be on show at Chillventa in 2008 and attention will be increasingly focused on energy efficiency. In addition to almost 100 papers covering the current scientific developments and trends from the whole field of refrigeration and air conditioning, this year’s German Refrigeration & Air Conditioning Congress organized by DKV in Hanover on 22 – 23 November will include a special event on heat pumps. At this event on 23 November, national and international speakers will present the results of the European research programme “Possibilities and prospects for heat pumps in existing buildings” for the first time – and these are certainly eagerly awaited. The detailed programme for the DKV Congress 2007 is available on the website at www.dkv.org. The DKV Congress has been the leading scientific event for all segments of refrigeration, air conditioning and ventilation for many years and is always attended by 600 to 800 participants. The German Refrigeration and Air Conditioning Society (DKV) is one of the partners of Chillventa, at which it will organize forums on “Commercial Refrigeration”, “Air Conditioning”, “Heat Pumps (Heating Only)” and “Air Conditioning Heat Pumps”. ✦ www.dkv.org 14 Chillventa News ✦ October 2007
3 questions to … Gigantic: New world record project for VRF in India The world’s biggest project to date for VRF air conditioning systems is currently being constructed in the EON Free Zone in Pune in India. Altogether 928 VRF outdoor units and 6,600 indoor ceiling cassette units from manufacturer and Chillventa exhibitor Daikin are used for cooling 400,000 m² of office space in the Indian “Silicon Valley”. The total cooling power is more than 44 MW and switching the equipment to heat pump operation provides a heating power of 51 MW. The EON Free Latest refrigeration systems for 400,000 m² office space Zone is a new 18-hectare settlement for IT and software companies, whose first phase comprises four office and administrative buildings with six or eight floors each. ✦ www.eonfreezone.com Prof. Dr.-Ing. Ulrich Pfeiffenberger on “planning air conditioning systems” Chillventa: What are the most important technical, political and market-orientated variables influencing the planning of air conditioning systems at present Prof. Dr.-Ing. Ulrich Pfeiffenberger: The technical challenges for the planner are the user’s greater demands for comfort, the requirements for individual adjustment of the systems, the growing internal loads and thus the increase of the required basic cooling loads. The general political conditions demand the use of systems with higher energy efficiency, in which the use of mechanical cooling is minimized as far as possible or avoided. Chillventa: What activities and solutions do the planners offer in response to these requirements and challenges Prof. Dr.-Ing. Ulrich Pfeiffenberger: The planning process increasingly uses integrated approaches that include energy considerations and computer-aided planning tools are used at an early stage. The heavily increasing scope of standards, directives and regulations and the information on new equipment features Prof. Dr.-Ing. Ulrich Pfeiffenberger is Chairman of the Institute of Building Air Conditioning (FGK) in Bietigheim-Bissingen and a member of the Chillventa Exhibition Committee. necessitates constant and extensive training measures for the planner. Chillventa: What role will be played by the new Chillventa exhibition in October 2008 Prof. Dr.-Ing. Ulrich Pfeiffenberger: Chillventa will be an important forum for refrigeration and air conditioning experts to exchange views. The forums accompanying the exhibition and the presentations of the latest energy-efficient equipment are especially intended for this purpose and will offer the planner concentrated information relating to the first two questions. Chillventa News ✦ October 2007 15
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Page 5 and 6: 3 questions to … Bernd Brinkmann
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Page 11 and 12: Daikin plans largescale entry to US
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